Eth0 : Duplex Settings

Using Ethtool we can set it as follows. # ethtool -s eth0 speed 100 duplex full # ethtool -s eth0 speed 10 duplex half mii-tool eth0 ethtool eth0 yum install ethtool net-tools up2date ethtool net-tools apt-get install ethtool net-tools  

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Domain Configuration files in Cpanel server

In following files we can see domains entry on cPanel server /var/cpanel/users/username /scripts/updateuserdomains /var/named/domain.db /etc/named.conf /usr/local/apache/conf/httpd.conf /etc/localdomains /etc/userdomains /etc/trueuserdomains /etc/trueuserowners /etc/valiases/domain.com /etc/vdomainaliases/domain.com /etc/vfilters/domain.com

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Disable the ping

Add the following line to your init script for the network echo 1 >/proc/sys/net/ipv4/icmp_echo_ignore_all This disables ping responses. To reenable, use the following command: echo 0 >/proc/sys/net/ipv4/icmp_echo_ignore_all To make this permanent set the following into /etc/sysctl.conf net.ipv4.conf.icmp_echo_ignore_all = 1  

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